1. Department of Neurosurgery, School of Medicine, Acıbadem Mehmet Ali Aydınlar University, İstanbul, Turkey
2. Department of Physical Medicine and Rehabilitation, School of Medicine, Bahçeşehir University, İstanbul, Turkey
3. School of Medicine, Acıbadem Mehmet Ali Aydınlar University, İstanbul, Turkey
4. Antalya Atatürk State Hospital, Neurosurgery Clinic, Antalya, Turkey